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16.5 Self-diagnosis
Method
16.5.1 Connection Capability Rank Abnormality (H12)
Malfunction Decision Conditions:
During startup operation of cooling and heating, the capability rank of indoor checked by the outdoor is used to
determine connection capability rank abnormality.
Malfunction Caused:
1 Wrong model interconnected.
2 Wrong indoor unit or outdoor unit PCB (main) used.
3 Faulty indoor unit or outdoor unit PCB (main).
Abnormality Judgment:
Continue for 90 seconds.
Содержание WH-SXC09F3E8
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